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Consolidated Balance Sheets (Parenthetical) - USD ($)	Oct. 31, 2019	Oct. 31, 2018
Allowance for doubtful accounts receivable	$ 0	$ 160,000
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	225,000,000	225,000,000
Common stock, shares issued	193,608,684	7,972,686
Common stock, shares outstanding	193,608,684	7,972,686
Treasury stock, shares	42,496	13,042
Series B Preferred Stock [Member]
Preferred Stock, Liquidation Preference, Value	$ 64,020,000	$ 64,020,000
Series C Preferred Stock [Member]
Preferred Stock, Liquidation Preference, Value		8,992,000
Series D Preferred Stock [Member]
Preferred Stock, Liquidation Preference, Value		$ 30,680,000

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Amount of allowance for credit loss on accounts receivable, classified as current.

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